diff options
author | Louai Al-Khanji <louai.al-khanji@digia.com> | 2013-12-04 13:40:23 +0200 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-01-10 15:10:29 +0100 |
commit | b9362903b339e57362a7a3296904504521d0e26f (patch) | |
tree | ea5f735c17d958fa00f7cf46e40e86be10ed0e26 /src/plugins/platforms/direct2d/qwindowsdirect2dplatformpixmap.cpp | |
parent | 5a2fc4c367d4645ae3350fdcfb6c1bbd0e9c1a97 (diff) |
Add new direct2d platform plugin
This is an alternative plugin for the windows platform. It shares most
code with the current windows plugin, but substitutes a direct2d-based
paint engine for window backing stores and pixmaps.
Change-Id: I78fafd9c5871fa090b49436f5b40ec80f8789f8b
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Diffstat (limited to 'src/plugins/platforms/direct2d/qwindowsdirect2dplatformpixmap.cpp')
-rw-r--r-- | src/plugins/platforms/direct2d/qwindowsdirect2dplatformpixmap.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/plugins/platforms/direct2d/qwindowsdirect2dplatformpixmap.cpp b/src/plugins/platforms/direct2d/qwindowsdirect2dplatformpixmap.cpp new file mode 100644 index 0000000000..072c4b3c0e --- /dev/null +++ b/src/plugins/platforms/direct2d/qwindowsdirect2dplatformpixmap.cpp @@ -0,0 +1,179 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwindowsdirect2dcontext.h" +#include "qwindowsdirect2dpaintdevice.h" +#include "qwindowsdirect2dplatformpixmap.h" +#include "qwindowsdirect2dbitmap.h" +#include "qwindowsdirect2dhelpers.h" + +#include <QtGui/QPainter> +#include <QtGui/QImage> +#include <QtGui/QPaintDevice> +#include <QtGui/QPaintEngine> + +QT_BEGIN_NAMESPACE + +class QWindowsDirect2DPlatformPixmapPrivate +{ +public: + QWindowsDirect2DPlatformPixmapPrivate() + : bitmap(new QWindowsDirect2DBitmap) + , device(new QWindowsDirect2DPaintDevice(bitmap.data(), QInternal::Pixmap)) + , devicePixelRatio(1.0) + {} + + QScopedPointer<QWindowsDirect2DBitmap> bitmap; + QScopedPointer<QWindowsDirect2DPaintDevice> device; + qreal devicePixelRatio; +}; + +static int qt_d2dpixmap_serno = 0; + +QWindowsDirect2DPlatformPixmap::QWindowsDirect2DPlatformPixmap(PixelType pixelType) + : QPlatformPixmap(pixelType, Direct2DClass) + , d_ptr(new QWindowsDirect2DPlatformPixmapPrivate) +{ + setSerialNumber(qt_d2dpixmap_serno++); +} + +QWindowsDirect2DPlatformPixmap::~QWindowsDirect2DPlatformPixmap() +{ + +} + +void QWindowsDirect2DPlatformPixmap::resize(int width, int height) +{ + Q_D(QWindowsDirect2DPlatformPixmap); + + if (!d->bitmap->resize(width, height)) { + qWarning("%s: Could not resize bitmap", __FUNCTION__); + return; + } + + is_null = false; + w = width; + h = height; + this->d = 32; +} + +void QWindowsDirect2DPlatformPixmap::fromImage(const QImage &image, + Qt::ImageConversionFlags flags) +{ + Q_D(QWindowsDirect2DPlatformPixmap); + + if (!d->bitmap->fromImage(image, flags)) { + qWarning("%s: Could not init from image", __FUNCTION__); + return; + } + + is_null = false; + w = image.width(); + h = image.height(); + this->d = 32; +} + +int QWindowsDirect2DPlatformPixmap::metric(QPaintDevice::PaintDeviceMetric metric) const +{ + Q_D(const QWindowsDirect2DPlatformPixmap); + + Q_GUI_EXPORT int qt_paint_device_metric(const QPaintDevice *device, QPaintDevice::PaintDeviceMetric metric); + return qt_paint_device_metric(d->device.data(), metric); +} + +void QWindowsDirect2DPlatformPixmap::fill(const QColor &color) +{ + Q_D(QWindowsDirect2DPlatformPixmap); + d->bitmap->fill(color); +} + +bool QWindowsDirect2DPlatformPixmap::hasAlphaChannel() const +{ + return true; +} + +QImage QWindowsDirect2DPlatformPixmap::toImage() const +{ + return toImage(QRect()); +} + +QImage QWindowsDirect2DPlatformPixmap::toImage(const QRect &rect) const +{ + Q_D(const QWindowsDirect2DPlatformPixmap); + + bool active = d->device->paintEngine()->isActive(); + + if (active) + d->device->paintEngine()->end(); + + QImage result = d->bitmap->toImage(rect); + + if (active) + d->device->paintEngine()->begin(d->device.data()); + + return result; +} + +QPaintEngine* QWindowsDirect2DPlatformPixmap::paintEngine() const +{ + Q_D(const QWindowsDirect2DPlatformPixmap); + return d->device->paintEngine(); +} + +qreal QWindowsDirect2DPlatformPixmap::devicePixelRatio() const +{ + Q_D(const QWindowsDirect2DPlatformPixmap); + return d->devicePixelRatio; +} + +void QWindowsDirect2DPlatformPixmap::setDevicePixelRatio(qreal scaleFactor) +{ + Q_D(QWindowsDirect2DPlatformPixmap); + d->devicePixelRatio = scaleFactor; +} + +QWindowsDirect2DBitmap *QWindowsDirect2DPlatformPixmap::bitmap() const +{ + Q_D(const QWindowsDirect2DPlatformPixmap); + return d->bitmap.data(); +} + +QT_END_NAMESPACE |